Home / 974,971,949.66-1,345,463,898.37-528,935,312.91

Finding the Fourth Proportional to 974,971,949.66, 1,345,463,898.37 and 528,935,312.91

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Solution

The fourth proportional to 974,971,949.66, 1,345,463,898.37 and 528,935,312.91 is: 729,932,146.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,971,949.66 : 1,345,463,898.37 = 528,935,312.91 : x
  2. Step 2: Convert to fraction form
    974,971,949.66/1,345,463,898.37 = 528,935,312.91/x
  3. Step 3: Cross multiply
    974,971,949.66x = 1,345,463,898.37 × 528,935,312.91
  4. Step 4: Simplify right side
    974,971,949.66x = 711,663,368,092,122,112
  5. Step 5: Solve for x
    x = 711,663,368,092,122,112/974,971,949.66
  6. Step 6: Final answer
    x = 729,932,146.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.